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Synthesis of 5′‐Functionalized Indolinospiropyrans with Vinylene Unit as Linker
Author(s) -
Niu Chengshan,
Song Yanlin,
Yang Lianming
Publication year - 2009
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.200990336
Subject(s) - spiropyran , chemistry , photochromism , indoline , triphenylamine , linker , ferrocene , combinatorial chemistry , photochemistry , stereochemistry , electrochemistry , electrode , computer science , operating system
A protocol for the synthesis of a new family of spiropyran derivatives is described. A 5‐formylated indoline intermediate ( 5 ) was achieved for the first time, which was the key intermediate for constructing the spiropyran derivatives with vinylene linker. Five 5′‐functionalized indolinospiropyrans ( 11 – 15 ) were obtained by utilizing vinylene unit as a linkage between the photochromic spiropyran fragment and the ferrocene or triphenylamine donor.
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